La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Numbers, diet and feeding methods of Common Shelduck Tadorna tadorna wintering in the estuarine bays of Aiguillon and Marennes-Oleron, western France
Auteurs :	Anouck Viain, Auteur ; Frederic Corre, Auteur ; Philippe Delaporte, Auteur ; Emmanuel Joyeux, Auteur ; Pierrick Bocher, Auteur
Type de document :	Article
Dans :	Wildfowl (61 2011)
Article en page(s) :	121-141
Langues:	Anglais
Résumé :	Common Shelduck Tadorna tadorna were studied in western France, at two wintering sites of international importance for this species. The numbers, densities, feeding activity, feeding methods and diet of Shelduck feeding in the soft sediments of Aiguillon Bay and Marennes-Oleron Bay, on the Charente-Maritime and South Vendee coast, were examined. The birds spent 60% of their time feeding. Prey were obtained mainly by Shelduck moving their bills in a scything action through the mud and sieving small organisms

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